CN106396128A - Catalyst for remedying oxygen-enriched organisms in black and odorous river surge water and method for preparing catalyst - Google Patents

Catalyst for remedying oxygen-enriched organisms in black and odorous river surge water and method for preparing catalyst Download PDF

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Publication number
CN106396128A
CN106396128A CN201610846962.8A CN201610846962A CN106396128A CN 106396128 A CN106396128 A CN 106396128A CN 201610846962 A CN201610846962 A CN 201610846962A CN 106396128 A CN106396128 A CN 106396128A
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China
Prior art keywords
catalyst
oxygen
black
enriched
flyash
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CN201610846962.8A
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Chinese (zh)
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CN106396128B (en
Inventor
肖羽堂
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华南师范大学
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    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/34Biological treatment of water, waste water, or sewage characterised by the microorganisms used
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F3/00Biological treatment of water, waste water, or sewage
    • C02F3/02Aerobic processes
    • C02F3/12Activated sludge processes
    • C02F3/1205Particular type of activated sludge processes
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2305/00Use of specific compounds during water treatment
    • C02F2305/06Nutrients for stimulating the growth of microorganisms
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W10/00Technologies for wastewater treatment
    • Y02W10/10Biological treatment of water, waste water, or sewage

Abstract

The invention discloses a catalyst for remedying oxygen-enriched organisms in black and odorous river surge water and a method for preparing the catalyst. The catalyst comprises, by weight, 0.5-3.5% of lime, 12-38% of coal ash, 3-15% of powdered activated carbon, 10-25% of powdered fluorite and 30-65% of residual sludge. The method for preparing the catalyst includes steps of 1), naturally drying various materials; 2), smashing and screening the various materials; 3), mixing the materials with one another. The catalyst and the method have the advantages that growth and reproduction of oxygen-enriched bacteria in the black and odorous river surge water can be effectively promoted by the catalyst, the acclimation and culture time can be obviously shortened, the concentration of the oxygen-enriched bacteria can be obviously increased, the quantities of the oxygen-enriched bacteria can be increased, the concentration of activated sludge in the water can be increased, the activity of the sludge can be improved, the load impact resistance of the river surge water can be improved, and the treatment capacity of remediation systems can be improved; raw materials for the catalyst can come from wide sources, are easily available and are extremely low in cost, the method is simple, convenient and feasible, and the catalyst is good in stability.

Description

A kind of for oxygen-enriched biological prosthetic catalyst of black-odor river water body and preparation method thereof
Technical field
The present invention relates to a kind of for oxygen-enriched biological prosthetic catalyst of black-odor river water body and preparation method thereof, belong to water Environment remediation technical field.
Background technology
At present, the urban waterway Water-environment Ecological System of China is generally in imbalance state, and water body nigrescence is smelly, and landscape is imitated Really poor, seriously polluted, its basic reason is that the organic pollution amount being discharged into during river is gushed greatly exceed the receiving of water environment Amount.The organic pollution being discharged into during river is gushed can consume the dissolved oxygen in water in biological decomposition process, makes water body and bed mud It is changed into anaerobic environment, under the decomposition of anaerobe, the foul gas such as hydrogen sulfide, methane, ammonia can be produced, meanwhile, The sulfide that anaerobic processes produce also can be reacted with metal, generates the FeS sediment of black, leads to river water burst body to black. Research shows:By adding a number of dominant bacteria and photosynthetic bacteria in black and odorous water, the water quality of water body can occur bright Aobvious improvement.For example, add indigenous microorganism under aeration condition, increase the oxygen-enriched microorganism concn in water body, just can be effective Remove the organic pollution in water body, improve self detergent power that river is gushed.
The invention discloses a kind of for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, can be to black-odor river water Oxygen-enriched microorganism in body is efficiently repaired, and can be obviously improved quality of water environment, is the biological treating of urban waste water There is provided brand-new solution with restoration of the ecosystem, suitably popularization and application in the smelly bioremediation of waters of national each urban black is administered.
Content of the invention
It is an object of the invention to provide a kind of for the oxygen-enriched biological prosthetic catalyst of black-odor river water body and its preparation Method.
The technical solution used in the present invention is:
A kind of for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, it is by the raw material group of following weight/mass percentage composition Become:
Lime:0.5~3.5%;
Flyash:12~38%;
Powdered Activated Carbon:3~15%;
Powder fluorite:10~25%;
Excess sludge:30~65%.
Described flyash is Industrial Boiler flyash.
The particle diameter of described flyash is less than 180 μm.
The particle diameter of described Powdered Activated Carbon is less than 180 μm.
The particle diameter of described powder fluorite is less than 180 μm.
Described excess sludge is the residual active sludge of municipal sewage plant's second pond or biochemistry pool.
The particle diameter of described excess sludge is less than 180 μm.
The above-mentioned preparation method for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, comprises the following steps:
1) respectively lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge are carried out nature at normal temperatures to do Change;
2) lime after mummification, flyash, Powdered Activated Carbon, powder fluorite are pulverized into powder respectively with excess sludge, then Sieved;
3) lime, flyash, Powdered Activated Carbon, powder fluorite and the excess sludge obtaining screening mixes all in proportion Even, obtain biological prosthetic catalyst oxygen-enriched for black-odor river water body.
The invention has the beneficial effects as follows:The catalyst of the present invention can effectively facilitate oxygen-enriched bacterium in black-odor river water body Growth and breeding, domestication incubation time substantially shortens, and oxygen-enriched bacterial concentration significantly raises, and quantity increases, and improves activity in water body Sludge concentration and sludge activity, and then improve the anti-load impact ability of river water burst body, improve the process energy of repair system Power;The catalyst raw material wide material sources of the present invention are easy to get, and cost is extremely low, and preparation method is simple is easy, good stability.
1) lime in the catalyst of the present invention can be adjusted to the pH value of water body, enhance flocculation, and be The growth of oxygen-enriched microorganism and breeding create advantage;
2) flyash in the catalyst of the present invention has flocculation, and water body can be purified, and its contain many Plant trace element, the effect activating oxygen-enriched microorganism can be played;
3) Powdered Activated Carbon in the catalyst of the present invention has very strong suction-operated, can adsorb macromolecular in water or Microorganism, forms biological activated carbon;
4) the powder fluorite in the catalyst of the present invention can adsorb ammonia nitrogen, apposition growth nitrobacteria, forms biological fluorite, Growth and the breeding of nitrobacteria can effectively be accelerated;
5) activated sludge in the catalyst of the present invention can increase biological species with the oxygen-enriched microorganism of inoculating active, accelerates Oxygen-enriched growth of microorganism and breeding.
Specific embodiment
A kind of for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, it is by the raw material group of following weight/mass percentage composition Become:
Lime:0.5~3.5%;
Flyash:12~38%;
Powdered Activated Carbon:3~15%;
Powder fluorite:10~25%;
Excess sludge:30~65%.
Preferably, described flyash is Industrial Boiler flyash.
Preferably, the particle diameter of described flyash is less than 180 μm.
Preferably, the particle diameter of described Powdered Activated Carbon is less than 180 μm.
Preferably, the particle diameter of described powder fluorite is less than 180 μm.
Preferably, described excess sludge is the residual active sludge of municipal sewage plant's second pond or biochemistry pool.
Preferably, the particle diameter of described excess sludge is less than 180 μm.
The above-mentioned preparation method for the oxygen-enriched biological prosthetic catalyst of black-odor river water body, comprises the following steps:
1) respectively lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge are carried out nature at normal temperatures to do Change;
2) lime after mummification, flyash, Powdered Activated Carbon, powder fluorite are pulverized into powder respectively with excess sludge, then Sieved;
3) lime, flyash, Powdered Activated Carbon, powder fluorite and the excess sludge obtaining screening mixes all in proportion Even, obtain biological prosthetic catalyst oxygen-enriched for black-odor river water body.
The using method for the oxygen-enriched biological prosthetic catalyst of black-odor river water body of the present invention is as follows:According to catalysis Agent, black-odor river sewage mass ratio (0.1~0.7):1000 the catalyst of the present invention is added to by way of sowing black smelly In canal reactor, then aeration, carry out biological prosthetic processing procedure.
With reference to specific embodiment, the present invention is made further explanation and description.
Embodiment 1:
Preparation for the oxygen-enriched biological prosthetic catalyst of black-odor river water body:
1) respectively lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge are carried out nature at normal temperatures to do Change;
2) lime after mummification, flyash, Powdered Activated Carbon, powder fluorite are pulverized into powder respectively with excess sludge, then Cross 80 mesh sieves, sieved;
3) lime of 1 mass parts that screening is obtained, the flyash of 20 mass parts, the Powdered Activated Carbon of 9 mass parts, 23 matter The excess sludge of the powder fluorite of amount part and 47 mass parts mixes, and obtains oxygen-enriched biological prosthetic for black-odor river water body Catalyst.
Embodiment 2:
Preparation for the oxygen-enriched biological prosthetic catalyst of black-odor river water body:
1) respectively lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge are carried out nature at normal temperatures to do Change;
2) lime after mummification, flyash, Powdered Activated Carbon, powder fluorite are pulverized into powder respectively with excess sludge, then Cross 80 mesh sieves, sieved;
3) lime of 0.5 mass parts that screening obtained, the flyash of 38 mass parts, the Powdered Activated Carbon of 3 mass parts, The excess sludge of the powder fluorite of 18.5 mass parts and 40 mass parts mixes, and obtains biology oxygen-enriched for black-odor river water body The catalyst repaired.
Embodiment 3:
Preparation for the oxygen-enriched biological prosthetic catalyst of black-odor river water body:
1) respectively lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge are carried out nature at normal temperatures to do Change;
2) lime after mummification, flyash, Powdered Activated Carbon, powder fluorite are pulverized into powder respectively with excess sludge, then Cross 80 mesh sieves, sieved;
3) lime of 2 mass parts that screening obtained, the flyash of 25 mass parts, the Powdered Activated Carbon of 15 mass parts, 18 The excess sludge of the powder fluorite of mass parts and 40 mass parts mixes, and obtains oxygen-enriched biological prosthetic for black-odor river water body Catalyst.
Embodiment 4:
Preparation for the oxygen-enriched biological prosthetic catalyst of black-odor river water body:
1) respectively lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge are carried out nature at normal temperatures to do Change;
2) lime after mummification, flyash, Powdered Activated Carbon, powder fluorite are pulverized into powder respectively with excess sludge, then Cross 80 mesh sieves, sieved;
3) lime of 3.5 mass parts that screening obtained, the flyash of 12 mass parts, the Powdered Activated Carbon of 9.5 mass parts, The excess sludge of the powder fluorite of 10 mass parts and 65 mass parts mixes, and obtains repairing for the oxygen-enriched biology of black-odor river water body Multiple catalyst.
Embodiment 5:
Preparation for the oxygen-enriched biological prosthetic catalyst of black-odor river water body:
1) respectively lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge are carried out nature at normal temperatures to do Change;
2) lime after mummification, flyash, Powdered Activated Carbon, powder fluorite are pulverized into powder respectively with excess sludge, then Cross 80 mesh sieves, sieved;
3) lime of 1 mass parts that screening obtained, the flyash of 29 mass parts, the Powdered Activated Carbon of 15 mass parts, 25 The excess sludge of the powder fluorite of mass parts and 30 mass parts mixes, and obtains oxygen-enriched biological prosthetic for black-odor river water body Catalyst.
Test case:
The catalyst choosing embodiment 1 preparation carries out bacterium training under the conditions of oxygen-enriched (DO is more than 5mg/L) for the black and odorous water Domesticating time test and the test of CODcr removal effect.
Bacteria Culture domestication time test under the conditions of oxygen-enriched (DO is more than 5mg/L) for the black and odorous water:
Choose the black and odorous water of different CODcr respectively, the catalyst adding different quality in water body is compared experiment, The culture domestication time under the conditions of aeration oxygen-enriched (DO is more than 5mg/L) for the bacterium is as shown in table 1.
Table 1 bacterium under aeration excess oxygen culture domestication the time (my god)
As shown in Table 1:After having added the catalyst of the present invention, the domestication time of bacterium shortens dramatically, and the throwing of catalyst Dosage is bigger, and it is more that the domestication time accordingly shortens, and is more conducive to oxygen-enriched biological prosthetic.
CODcr removal effect test under the conditions of oxygen-enriched (DO is more than 5mg/L) for the black and odorous water:
Choose the black and odorous water of different CODcr respectively, the catalyst adding different quality in water body is compared experiment, CODcr clearance under the conditions of aeration oxygen-enriched (DO is more than 5mg/L) is as shown in table 2.
CODcr clearance (%) under table 2 aeration excess oxygen
As shown in Table 2:After having added the catalyst of the present invention, oxygen-enriched biological prosthetic effect is obviously improved, and urges The dosage of agent is bigger, and the clearance of CODcr is higher.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention are not subject to above-described embodiment Limit, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplify, All should be equivalent substitute mode, be included within protection scope of the present invention.

Claims (8)

1. a kind of for the oxygen-enriched biological prosthetic catalyst of black-odor river water body it is characterised in that:It is contained by following percent mass The raw material composition of amount:
Lime:0.5~3.5%;
Flyash:12~38%;
Powdered Activated Carbon:3~15%;
Powder fluorite:10~25%;
Excess sludge:30~65%.
2. according to claim 1 for the oxygen-enriched biological prosthetic catalyst of black-odor river water body it is characterised in that:Described Flyash be Industrial Boiler flyash.
3. according to claim 2 for the oxygen-enriched biological prosthetic catalyst of black-odor river water body it is characterised in that:Described Flyash particle diameter be less than 180 μm.
4. according to claim 1 for the oxygen-enriched biological prosthetic catalyst of black-odor river water body it is characterised in that:Described Powdered Activated Carbon particle diameter be less than 180 μm.
5. according to claim 1 for the oxygen-enriched biological prosthetic catalyst of black-odor river water body it is characterised in that:Described Powder fluorite particle diameter be less than 180 μm.
6. according to claim 1 for the oxygen-enriched biological prosthetic catalyst of black-odor river water body it is characterised in that:Described Excess sludge be municipal sewage plant's second pond or biochemistry pool residual active sludge.
7. according to claim 6 for the oxygen-enriched biological prosthetic catalyst of black-odor river water body it is characterised in that:Described Excess sludge particle diameter be less than 180 μm.
8. the preparation for the oxygen-enriched biological prosthetic catalyst of black-odor river water body described in any one in claim 1~7 Method it is characterised in that:Comprise the following steps:
1)Respectively lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge are carried out nature mummification at normal temperatures;
2)Lime after mummification, flyash, Powdered Activated Carbon, powder fluorite are pulverized into powder respectively with excess sludge, then carries out Screening;
3)Lime, flyash, Powdered Activated Carbon, powder fluorite and excess sludge that screening is obtained mix in proportion, and obtain To for the oxygen-enriched biological prosthetic catalyst of black-odor river water body.
CN201610846962.8A 2016-09-23 2016-09-23 It is a kind of for the oxygen-enriched biological prosthetic catalyst and preparation method thereof of black-odor river water body CN106396128B (en)

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1986789A (en) * 2006-12-20 2007-06-27 福州晨翔环保工程有限公司 Composite immobilized enzyme material for repairing polluted water source and its preparing process
CN104386825A (en) * 2014-12-01 2015-03-04 广西大学 Method for remediating pond water in situ

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1986789A (en) * 2006-12-20 2007-06-27 福州晨翔环保工程有限公司 Composite immobilized enzyme material for repairing polluted water source and its preparing process
CN104386825A (en) * 2014-12-01 2015-03-04 广西大学 Method for remediating pond water in situ

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
官少飞: "《高产池塘健康养殖及水质控制新技术》", 30 November 2009 *
王超等: "《流域水资源保护和水质改善理论与技术》", 31 March 2011 *

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